Sales were $2.42 billion, up 11.9% from $2.16 billion in the first quarter of 2016 and up 17.4% from $2.06 billion in the fourth quarter of 2016.

Tons sold were up 2.5% from the first quarter of 2016 and up 12.8% from the fourth quarter of 2016, with the average selling price per ton sold up 9.7% from the first quarter of 2016 and up 4.2% from the fourth quarter of 2016.

Gross profit margin was 29.8%, compared to 29.4% in the first quarter of 2016 and 29.8% in the fourth quarter of 2016. FIFO gross profit margin was 30.2%, compared to 29.4% in the first quarter of 2016 and 29.0% in the fourth quarter of 2016.

Net income attributable to Reliance was $111.7 million, up 21.1% from $92.2 million in the first quarter of 2016 and up 81.0% from $61.7 million in the fourth quarter of 2016.

Earnings per diluted share were $1.52, up 19.7% from $1.27 in the first quarter of 2016 and up 81.0% from $0.84 in the fourth quarter of 2016.

Non-GAAP earnings per diluted share were $1.52, up 47.6% from $1.03 in the first quarter of 2016 and up 81.0% from $0.84 in the fourth quarter of 2016.

Reliance recorded a pre-tax net LIFO inventory valuation charge, or expense, of $10.0 million in the first quarter of 2017, compared to a pre-tax net LIFO inventory valuation credit, or income, of $16.2 million in the fourth quarter of 2016, included in cost of sales. Reliance did not record a LIFO inventory valuation adjustment in the first quarter of 2016.

The effective tax rate was 32.7%, compared to 14.4% in the first quarter of 2016 and 35.8% in the fourth quarter of 2016.

Cash flow used in operations was $20.7 million in the first quarter of 2017 and net debt-to-total capital was 30.8% at March 31, 2017.

A quarterly cash dividend of $0.45 per share was declared on April 25, 2017 for stockholders of record as of May 26, 2017 and will be payable on June 16, 2017.

Management Commentary “Improved demand, higher metal pricing and continued strong execution resulted in record quarterly gross profit dollars, driving our highest earnings per share and net income since the first quarter of 2012. Our FIFO gross profit margin of 30.2% increased from 29.4% in the first quarter of 2016 and 29.0% in the fourth quarter of 2016,” said Gregg Mollins, President and Chief Executive Officer of Reliance. “In addition to positive pricing trends that contributed to our enhanced gross profit margin during the quarter as price increases were announced by the domestic mills, our higher, sustainable gross profit margin remains intact as a direct result of the investments we are making in value-added processing equipment. We have invested approximately $1 billion in capital expenditures over the past six years, with the majority of this amount spent on value-added processing equipment. These investments far outpace our peers and, along with our decentralized operating model, provide us with a significant competitive advantage to supply our customers the highest quality products and services on a just-in-time basis.”

Mr. Mollins continued, “Our managers in the field continued their strong execution through disciplined pricing, effective inventory management, and diligent expense control. Most of our operations experienced a significant improvement in pre-tax income in the first quarter of 2017 as compared to the first quarter of 2016, benefitting from higher metal prices with our average selling price per ton sold up 9.7%. Overall demand was also better than we had anticipated. Even our businesses servicing the energy market performed better and, as a group, were profitable for the first time since the second quarter of 2015.”

Mr. Mollins concluded, “2017 is off to a great start. Both pricing and demand levels are better than they were a year ago and we are optimistic with regard to increased infrastructure and equipment spending on the horizon. We will continue to focus on maximizing our gross profit margin while diligently managing operating expenses and inventory levels as well as maximizing market opportunities to drive our earnings higher.”

First Quarter 2017 Business Metrics

(tons in thousands; percentage change)

Q12017

Q42016

SequentialQuarterChange

Q12016

Year-Over-YearChange

Tons sold

1,540.4

1,365.0

12.8

%

1,503.0

2.5

%

Tons sold (same-store)

1,519.6

1,346.1

12.9

%

1,487.9

2.1

%

Average selling price per ton sold

$1,563

$1,500

4.2

%

$1,425

9.7

%

Average selling price per ton sold (same-store)

$1,555

$1,495

4.0

%

$1,419

9.6

%

First Quarter 2017 Major Commodity Metrics

Tons Sold (tons in thousands; percentage change)

Average Selling Price per TonSold (percentage change)

Q1 2017 Tons Sold

Q4 2016 Tons Sold

SequentialQuarterChange

Q1 2016 Tons Sold

Year-Over- Year Change

SequentialQuarterChange

Year-Over- Year Change

Carbon steel

1,235.5

1,096.1

12.7

%

1,216.7

1.5

%

4.0

%

12.3

%

Aluminum

92.7

82.3

12.6

%

90.1

2.9

%

2.5

%

2.7

%

Stainless steel

79.8

72.5

10.1

%

78.2

2.0

%

8.3

%

13.4

%

Alloy

56.3

44.9

25.4

%

49.0

14.9

%

(1.1

%)

(3.8

%)

Sales ($'s in millions; percentage change)

Q1 2017 Sales

Q4 2016 Sales

Sequential QuarterChange

Q1 2016 Sales

Year-Over- Year Change

Carbon steel

$1,285.5

$1,096.1

17.3

%

$1,126.9

14.1

%

Aluminum

$483.1

$418.5

15.4

%

$457.2

5.7

%

Stainless steel

$347.3

$291.1

19.3

%

$300.3

15.7

%

Alloy

$145.3

$117.1

24.1

%

$131.4

10.6

%

End Market CommentaryConsistent with normal seasonal patterns along with improved customer sentiment, Reliance’s shipments increased in the first quarter of 2017 compared to the fourth quarter of 2016. Reliance also continues to benefit from its strategy of serving diverse end markets and providing superior quality products and processing services through its extensive capital investments.

Automotive demand remains strong. Reliance services the automotive market mainly through the Company’s toll processing operations in the U.S. and Mexico. The Company continues to increase its toll processing capacity through investments in new facilities and processing equipment to support incremental demand from the increased usage of aluminum by the automotive industry.

Aerospace demand remains solid. Reliance is maintaining its positive outlook in this space and expects to continue growing its share given increased exposure to the defense market as well as recent capital investments in new facilities and processing equipment.

Non-residential construction demand continues to experience steady, upward growth. Reliance remains optimistic that the new Administration’s focus on infrastructure spending will further improve future demand for metal. Reliance has made investments in equipment and facilities, and is well positioned to absorb increased volume into its existing cost structure as this important market improves over time.

Energy (oil and gas) demand has improved slightly faster than originally anticipated for the products Reliance sells into this end market. Rig counts have improved and Reliance continues to see improved quoting and overall activity in the market.

Balance Sheet & LiquidityThe Company used $20.7 million of cash flow from operations in the three months ended March 31, 2017 compared to generating $155.4 million of cash flow from operations in the first quarter of 2016. The Company ended the quarter with total debt outstanding of $2.0 billion, for a net debt-to-total capital ratio of 30.8%. The Company had $785.5 million available for borrowings on its $1.5 billion revolving credit facility at March 31, 2017.

“We remain pleased with our overall liquidity position which provides us with the flexibility and resources to continue investing in the growth of our business, both organically and through acquisition opportunities, as well as returning value to our stockholders,” commented Karla Lewis, Senior Executive Vice President and Chief Financial Officer of Reliance. “Given the stronger business conditions in the first quarter of 2017, we used cash from operations to increase our working capital. Our strong profitability allows us to support the higher activity levels while maintaining our strong balance sheet and healthy liquidity position.”

Stockholder Return ActivityOn April 25, 2017, the Board of Directors declared a quarterly cash dividend of $0.45 per share of common stock payable on June 16, 2017 to stockholders of record as of May 26, 2017. Reliance has paid regular quarterly dividends for 58 consecutive years and has increased the dividend 24 times since its 1994 IPO, with the most recent increase in the first quarter of 2017.

The Company did not repurchase any shares of its common stock in the first quarter of 2017. At March 31, 2017, approximately 8.4 million shares remained available for repurchase under the Company’s share repurchase program. Reliance expects to opportunistically repurchase shares of its common stock going forward.

Business Outlook Reliance management remains optimistic in regard to business activity levels in the second quarter of 2017. The Company expects current demand levels to maintain with the potential for slight improvement. As a result, the Company estimates tons sold will be flat to up 2% in the second quarter of 2017 compared to the first quarter of 2017. While metal pricing experienced some downward pressure in the beginning of the second quarter, the Company remains optimistic that increased customer demand and fewer imports should help support current pricing levels. In addition, the Company expects its average selling price to increase as it passes through higher cost inventory that fully reflects the mill price increases announced in the first quarter of 2017. Therefore, the Company expects its average selling price will be flat to up 2% from the first quarter of 2017. Accordingly, management currently expects earnings per diluted share to be in the range of $1.50 to $1.60 for the second quarter of 2017.

Conference Call DetailsA conference call and simultaneous webcast to discuss the first quarter 2017 financial results and business outlook will be held today, April 27, 2017 at 11:00 a.m. Eastern Time / 8:00 a.m. Pacific Time. To listen to the live call by telephone, please dial (877) 407-0789 (U.S. and Canada) or (201) 689-8562 (International) approximately 10 minutes prior to the start time and use conference ID: 13658588. The call will also be broadcast live over the Internet hosted on the Investors section of the Company's website at investor.rsac.com.

For those unable to participate during the live broadcast, a replay of the call will also be available beginning that same day at 2:00 p.m. Eastern Time until 11:59 p.m. Eastern Time on Thursday, May 11, 2017 by dialing (844) 512-2921 (U.S. and Canada) or (412) 317-6671 (International) and entering the conference ID: 13658588. The webcast will remain posted on the Investors section of Reliance’s website at investor.rsac.com for 90 days.

About Reliance Steel & Aluminum Co.Reliance Steel & Aluminum Co., headquartered in Los Angeles, California, is the largest metals service center company in North America. Through a network of more than 300 locations in 39 states and twelve countries outside of the United States, Reliance provides value-added metals processing services and distributes a full line of over 100,000 metal products to more than 125,000 customers in a broad range of industries. Reliance focuses on small orders with quick turnaround and increasing levels of value-added processing. In 2016, Reliance’s average order size was $1,560, approximately 47% of orders included value-added processing and approximately 40% of orders were delivered within 24 hours. Reliance Steel & Aluminum Co.’s press releases and additional information are available on the Company’s website at www.rsac.com.

Forward-Looking StatementsThis press release contains certain statements that are, or may be deemed to be, forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements may include, but are not limited to, discussions of Reliance’s business strategies and its expectations concerning future demand and metals pricing and the Company’s results of operations, margins, profitability, impairment charges, liquidity, litigation matters and capital resources. In some cases, you can identify forward-looking statements by terminology such as "may," "will," "should," "could," "would," "expect," "plan," "anticipate," "believe," "estimate," "predict," "potential" and "continue," the negative of these terms, and similar expressions.

These forward-looking statements are based on management's estimates, projections and assumptions as of today’s date that may not prove to be accurate. Forward-looking statements involve known and unknown risks and uncertainties and are not guarantees of future performance. Actual outcomes and results may differ materially from what is expressed or forecasted in these forward-looking statements as a result of various important factors, including, but not limited to, those disclosed in reports Reliance has filed with the Securities and Exchange Commission (the "SEC"). As a result, these statements speak only as of the date that they are made, and Reliance disclaims any and all obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. Important risks and uncertainties about Reliance’s business can be found in the Company’s Annual Report on Form 10-K for the year ended December 31, 2016, filed with the SEC.

(Tables to follow)

RELIANCE STEEL & ALUMINUM CO.

SELECTED UNAUDITED FINANCIAL DATA

(in millions, except share and per share amounts)

Three Months Ended

March 31,

2017

2016

Income Statement Data:

Net sales

$

2,419.3

$

2,162.7

Gross profit1

721.6

636.7

Operating income2

190.2

131.1

Pre-tax income

168.5

109.2

Net income attributable to Reliance

111.7

92.2

Diluted earnings per share attributable to

Reliance stockholders

$

1.52

$

1.27

Non-GAAP diluted earnings per share

attributable to Reliance stockholders3

$

1.52

$

1.03

Weighted average shares outstanding –

diluted

73,415,365

72,708,349

Gross profit margin1

29.8

%

29.4

%

Operating income margin2

7.9

%

6.1

%

Pre-tax income margin

7.0

%

5.0

%

Net income margin – Reliance

4.6

%

4.3

%

Cash dividends per share

$

0.45

$

0.40

March 31,

December 31,

2017

2016*

Balance Sheet and Other Data:

Current assets

$

3,025.6

$

2,688.5

Working capital

2,259.6

2,032.5

Property, plant and equipment, net

1,651.4

1,662.2

Total assets

7,724.4

7,411.3

Current liabilities

766.0

656.0

Long-term debt

1,951.9

1,846.7

Total Reliance stockholders’ equity

4,245.1

4,148.8

Capital expenditures (year-to-date)

34.1

154.9

Cash (used in) provided by operations (year-to-date)

(20.7

)

626.5

Net debt-to-total capital4

30.8

%

30.3

%

Return on Reliance stockholders' equity5

7.8

%

7.8

%

Current ratio

3.9

4.1

Book value per share6

$

58.23

$

57.07

* Amounts were derived from audited financial statements.1 Gross profit, calculated as net sales less cost of sales, and gross profit margin, calculated as gross profit divided by net sales, are non-GAAP financial measures as they exclude depreciation and amortization expense associated with the corresponding sales. The majority of our orders are basic distribution with no processing services performed. For the remainder of our sales orders, we perform “first-stage” processing which is generally not labor intensive as we are simply cutting the metal to size. Because of this, the amount of related labor and overhead, including depreciation and amortization, is not significant and is excluded from our cost of sales. Therefore, our cost of sales is substantially comprised of the cost of the material we sell. We use gross profit and gross profit margin as shown above as measures of operating performance. Gross profit and gross profit margin are important operating and financial measures, as their fluctuations can have a significant impact on our earnings. Gross profit and gross profit margin, as presented, are not necessarily comparable with similarly titled measures for other companies.2 The 2016 amounts have been retrospectively adjusted pursuant to our adoption of accounting changes related to the presentation of net periodic pension cost and net periodic postretirement benefit cost.3 See accompanying Non-GAAP earnings and adjusted gross profit reconciliation.4 Net debt-to-total capital is calculated as total debt (net of cash) divided by total Reliance stockholders’ equity plus total debt (net of cash). 5 Calculations are based on the latest twelve months net income attributable to Reliance and beginning total Reliance stockholders’ equity.6 Book value per share is calculated as total Reliance stockholders’ equity divided by outstanding common shares.

RELIANCE STEEL & ALUMINUM CO.

UNAUDITED CONSOLIDATED BALANCE SHEETS

(in millions, except share amounts)

March 31,

December 31,

2017

2016*

ASSETS

Current assets:

Cash and cash equivalents

$

133.8

$

122.8

Accounts receivable, less allowance for doubtful accounts of

$17.2 at March 31, 2017 and $15.3 at December 31, 2016

1,147.7

960.2

Inventories

1,680.2

1,532.6

Prepaid expenses and other current assets

63.9

72.9

Total current assets

3,025.6

2,688.5

Property, plant and equipment:

Land

230.0

228.2

Buildings

1,067.9

1,059.2

Machinery and equipment

1,663.7

1,647.3

Accumulated depreciation

(1,310.2

)

(1,272.5

)

Property, plant and equipment, net

1,651.4

1,662.2

Goodwill

1,829.2

1,827.4

Intangible assets, net

1,138.5

1,151.3

Cash surrender value of life insurance policies, net

44.0

46.9

Other assets

35.7

35.0

Total assets

$

7,724.4

$

7,411.3

LIABILITIES AND EQUITY

Current liabilities:

Accounts payable

$

402.4

$

302.2

Accrued expenses

94.7

83.7

Accrued compensation and retirement costs

96.5

140.8

Accrued insurance costs

43.5

40.6

Current maturities of long-term debt and short-term borrowings

71.3

82.5

Income taxes payable

57.6

6.2

Total current liabilities

766.0

656.0

Long-term debt

1,951.9

1,846.7

Long-term retirement costs

90.6

89.6

Other long-term liabilities

11.3

13.0

Deferred income taxes

628.6

626.9

Commitments and contingencies

Equity:

Preferred stock, $0.001 par value:

Authorized shares — 5,000,000

None issued or outstanding

—

—

Common stock and additional paid-in capital, $0.001 par value:

Authorized shares — 200,000,000

Issued and outstanding shares – 72,879,606 at March 31, 2017 and 72,682,793

Reliance Steel & Aluminum Co.'s presentation of non-GAAP or adjusted net income, EPS, gross profit and gross profit margin over certain time periods is an attempt to provide meaningful comparisons to the Company's historical performance for its existing and future stockholders. Adjustments include settlement gains, pension settlement, impairment and restructuring charges (credits) related to certain of the Company's energy related-businesses and the closure or sale of some of its locations, sales of non-core machinery and equipment, and the resolution of certain tax matters, which make comparisons to the Company's operating results between periods difficult using GAAP measures. Reliance Steel & Aluminum Co.'s presentation of gross profit - FIFO, which is calculated as gross profit plus net LIFO/LCM expense (or minus net LIFO/LCM income) divided by net sales, is presented in order to provide a means of comparison amongst its competitors who may not use the same inventory valuation method. For further information on the Company's gross profit and gross profit margin, see footnote 1 to the accompanying Selected Unaudited Financial Data.